Document bZD1Q5m2EbMpE2aXQo142OMO
ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY DATA SHEET
Type Test
3 7 ^ 7 7 C.
Material Tested
/of- C&3
Test Organism f>
S U rtA jU
Avg. Wt. /. 2 grans Avg. Size 3 . & cm
/6Test Solution Volume
Liters/Tank No. Organisms per dose______2. O
Time Started ? ~0 V PV^ Date Started S- S j ? -7F Date Coiqpleted JT-2*7-
Dilution Water Carbon Filter - Well Water (Teap. l9C., D.O. ff-^ppa, pH_ 7-<6 )
Investigator M ^
No. rv^\l Irganisms 24 Hrs.
D.O.
Cone. Exposed No.Dead pH ppm
Control 2 - 0
<& If (O O
2o
!? f
20
6o 7-S . I 7, 62 A ?,? 6.0
\ o 7,6 9
\1 ?,
/ to
Q-cJ
\6 7-6 a
LC 50 (95% Confidence Limits)
___________
<- 6 2
___ LI
48 Hrs. No.Dead pH
o 7.7
2. 7,6
D.O. ppm
6.2 6.C?
72 Hrs. No.Dead
o
A
D.O. pH ppm
7i 9
67,7 ST
96 Hrs. No.Dead
Q>
4
D.O. pH ppa 7,6 r ?
77
r 7-7 \ 3 7.7
l<\ 7-6 r.r
2 0 7.*-
n 7
1^ 7 7 C P 2.0 7-2 4^ 6 2.0
7.7
2.0 7,7 2 0 -- --
2 .0
;
Temp. Comments:
t C ,C
\OlC
llC_